// Initialising the canvas
var canvas = document.querySelector(‚canvas‘),
ctx = canvas.getContext(‚2d‘);
// Setting the width and height of the canvas
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Setting up the letters
var letters = ‚ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ‘;
letters = letters.split(“);
// Setting up the columns
var fontSize = 10,
columns = canvas.width / fontSize;
// Setting up the drops
var drops = [];
for (var i = 0; i < columns; i++) {
drops[i] = 1;
}
// Setting up the draw function
function draw() {
ctx.fillStyle = 'rgba(0, 0, 0, .1)';
ctx.fillRect(0, 0, canvas.width, canvas.height);
for (var i = 0; i < drops.length; i++) {
var text = letters[Math.floor(Math.random() * letters.length)];
ctx.fillStyle = '#0f0';
ctx.fillText(text, i * fontSize, drops[i] * fontSize);
drops[i]++;
if (drops[i] * fontSize > canvas.height && Math.random() > .95) {
drops[i] = 0;
}
}
}
// Loop the animation
setInterval(draw, 33);